cliff. the gop says its proposal would save $800 billion through tax reform. $900billion in mandatory spending cuts, and $300 billion in discretionary cuts. it does not increase tax rates on upper income americans which the white house insists must be included in any deal. >>> on wall street stocks lost ground. nasdaq dropped 8 points. analysts point to a decline in manufacturing, and ongoing worries over the fiscal cliff. >>> what some hoped would be a historic announcement on life on mars didn't amount today. project scientists said soil tests performed by the curiosity rover only showed organic compounds. no proof yet that life existed, or could exist on the red planet. the scientists created big expectations by saying it would be one for the history books. today they said they were only referring to the richness of the data coming from the rover. ♪ [ music ] of course. >>> live storm tracker 2 picking up showers north of us. these showers are going to work their way south. the computer